victoriabrooks1385 victoriabrooks1385
  • 06-06-2023
  • Mathematics
contestada

Find the area of the triangle determined by the points P, Q, and R. b. Find a unit vector perpendicular to plane PQR. P(2,-2,-1), Q(-1,0,-2), R(0, -1,2) a. The area of the triangle is (Type an exact answer, using radicals as needed.)

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